
\begingroup
\centering
\begin{tabular}{lcccccc}
   \toprule
    & \multicolumn{3}{c}{\makecell{Breakthrough patent \\ indicator \\ (mean = 0.17, sd = 0.38)}} & \multicolumn{3}{c}{\makecell{Technologies \\ per patent \\ (mean = 2.49, sd = 1.82)}}\\
\cmidrule(lr){2-4}  \cmidrule(lr){5-7}
                                                & (1)           & (2)           & (3)           & (4)           & (5)           & (6)\\  
   \midrule 
\multicolumn{2}{l}{\textit{Panel A}} &  \multicolumn{5}{c}{}\\ \cmidrule(lr){1-7}
   Ancestral-country diversity of patent        & 0.005$^{***}$ & 0.003$^{***}$ & 0.003$^{***}$ & 0.019$^{***}$ & 0.014$^{***}$ & 0.013$^{***}$\\   
                                                & (0.001)       & (0.001)       & (0.001)       & (0.004)       & (0.004)       & (0.004)\\   
    \\
\multicolumn{2}{l}{\textit{Panel B}} &  \multicolumn{5}{c}{}\\
\cmidrule(lr){1-7}
   Ancestral-country diversity of patent        & 0.003$^{*}$   & 0.001         & 0.002         & 0.019$^{**}$  & 0.018$^{**}$  & 0.015\\   
                                                & (0.001)       & (0.001)       & (0.001)       & (0.010)       & (0.009)       & (0.010)\\   
   Surname diversity of patent                  & 0.014$^{***}$ & 0.008$^{***}$ & 0.008$^{***}$ & 0.015$^{**}$  & 0.007         & 0.011\\   
                                                & (0.001)       & (0.001)       & (0.001)       & (0.007)       & (0.007)       & (0.007)\\   
\\
\multicolumn{2}{l}{\textit{Panel C}} &  \multicolumn{5}{c}{}\\
\cmidrule(lr){1-7}
   Ancestral-country diversity                  & -0.004        & -0.004        & -0.004        & 0.025         & 0.022         & 0.022\\   
                                                & (0.005)       & (0.004)       & (0.004)       & (0.018)       & (0.016)       & (0.016)\\   
\\
\multicolumn{2}{l}{\textit{Panel D}} &  \multicolumn{5}{c}{}\\
\cmidrule(lr){1-7}
& \multicolumn{2}{c}{\makecell{Ancestral-country \\ diversity of patent}} & & \multicolumn{2}{c}{\makecell{Surname \\ diversity of patent}} & \\
\cmidrule(lr){2-3} \cmidrule(lr){5-6}
   Ancestral-country diversity                  & -0.015        & -0.017        &  & -0.055$^{*}$  & -0.056$^{*}$  &  \\
                                                & (0.026)       & (0.025)       &  & (0.030)       & (0.030)       &  \\
    \\
   Team size fixed effects                      & $\checkmark$  & $\checkmark$  & $\checkmark$  & $\checkmark$  & $\checkmark$  & $\checkmark$\\   
   County fixed effects                         & $\checkmark$  & $\checkmark$  &               & $\checkmark$  & $\checkmark$  & \\  
   State-Period fixed effects                   & $\checkmark$  & $\checkmark$  &               & $\checkmark$  & $\checkmark$  & \\  
   Patent technology field-Period fixed effects &               & $\checkmark$  & $\checkmark$  &               & $\checkmark$  & $\checkmark$\\   
   County-Period fixed effects                  &               &               & $\checkmark$  &               &               & $\checkmark$\\   
   Observations                                 & 1,451,459     & 1,451,459     & 1,451,459     & 1,451,459     & 1,451,459     & 1,451,459\\  
   \bottomrule
\end{tabular}
\par\endgroup


